Projection curtain structure convenient to disassemble and assemble

Abstract

The utility model relates to the related technical field of projection structures, in particular to a projection curtain structure convenient to disassemble and assemble, which comprises a mounting plate, two ends of the mounting plate are respectively provided with a fixed plate and a movable plate, the movable plate is provided with an adjusting assembly, and the adjusting assembly is used for adjusting the position of the movable plate on the mounting plate. A winding roller is arranged between the fixed plate and the movable plate, a roller shaft is arranged in the middle of the winding roller, the two ends of the roller shaft are in butt joint with the fixed plate and the movable plate respectively, a curtain is wound on the winding roller, a driving box is installed on the outer side wall of the fixed plate, and the driving box is in butt joint with one end of the roller shaft; according to the structure, the position of the movable plate is adjusted through the adjusting assembly, rapid disassembly and assembly of the wind-up roller are achieved, one end of the roller shaft can be rapidly in butt joint with or disassembled from the driving box during disassembly and assembly, and disassembly and assembly are rapid and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field related to projection structures, in particular to a projection screen structure which is easy to assemble and disassemble. Background Art

[0002] Projection screens are used in movies, offices, home theaters, and large conferences to display images and video files. They need to be used in conjunction with a projector. Projection screens are also called projection screens and are generally divided into commercial screens, home screens, and engineering screens.

[0003] In the existing projection screen structure, the rolling structure for rolling up the screen is arranged inside the shell, which makes it inconvenient to quickly replace the screen and the rolling structure, resulting in low convenience in disassembly and assembly of the overall projection structure. Therefore, those skilled in the art have proposed a projection screen structure that is easy to disassemble and assemble to solve the problems raised in the above background. Utility Model Content

[0004] The purpose of the utility model is to provide a projection screen structure that is easy to assemble and disassemble, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A projection screen structure that is easy to disassemble and assemble comprises a mounting plate, a fixed plate is mounted on one end of the mounting plate, a movable plate is mounted on the other end of the mounting plate, an adjusting component is arranged on the movable plate, the adjusting component is used to adjust the position of the movable plate on the mounting plate, a winding roller is detachably clamped and mounted between the fixed plate and the movable plate, a roller shaft is arranged in the middle of the winding roller, two ends of the roller shaft are respectively butted with the mutually close sides of the fixed plate and the movable plate, a curtain is rolled up on the winding roller, a counterweight bar is mounted on the bottom end of the curtain, a driving box is mounted on the outer side wall of the fixed plate, the driving box is butted with one end of the roller shaft, and the driving box is used to drive the roller shaft to rotate.

[0007] As a further solution of the utility model: a first cylindrical groove and a second cylindrical groove are respectively provided on the mutually close sides of the fixed plate and the movable plate, and both ends of the roller shaft are respectively connected to the first cylindrical groove and the second cylindrical groove.

[0008] As a further solution of the utility model: the adjustment assembly includes a fixed block installed on the mounting plate, a threaded rod with one end rotatably connected to the fixed block, and a threaded sleeve installed on the movable plate, the threaded sleeve is threadedly connected to the threaded rod, the other end of the threaded rod is connected to a handle, and one end of the movable plate is slidably connected to the mounting plate.

[0009] As a further solution of the utility model: a control box and a driving member are arranged in the driving box, the control box is connected to the driving member circuit, a through hole is arranged on the side of the first cylindrical groove, a rotating column is connected to the output end of the driving member, and a docking groove matching the rotating column is arranged at one end of the roller shaft.

[0010] As a further solution of the utility model: an operation panel and a charging plate are installed on the control box, and the operation panel and the charging plate both extend outside the drive box.

[0011] As a further solution of the utility model: a signal receiver is installed on the control box.

[0012] The utility model has the following advantages: the roller shaft of the winding roller can be detachably installed between the fixed plate and the movable plate, and the position of the movable plate is adjusted by the adjusting component to realize the rapid disassembly, assembly and replacement of the winding roller, a driving box is installed on the fixed plate, and the driving box is detachably connected to one end of the roller shaft, which does not hinder the disassembly of the roller shaft while ensuring that the winding roller can be driven to rotate, and the various components of the overall structure are very convenient to disassemble and assemble, and has stronger practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a side view of the overall structure of an embodiment of the utility model.

[0014] Figure 2 It is a front view of the overall structure of an embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the structure of the winding roller in the embodiment of the utility model.

[0016] Figure 4 for Figure 2 A magnified schematic diagram of part A in FIG.

[0017] Figure 5 for Figure 2 An enlarged schematic diagram of part B in FIG.

[0018] In the figure: 1. Mounting plate; 2. Mounting hole; 3. Fixed plate; 4. Movable plate; 5. Winding roller; 6. Roller shaft; 7. Drive box; 8. Adjustment assembly; 9. First cylindrical groove; 10. Second cylindrical groove; 11. Fixed block; 12. Threaded sleeve; 13. Threaded rod; 14. Turning handle; 15. Curtain; 16. Counterweight bar; 17. Through hole; 18. Drive member; 19. Control box; 20. Charging plate; 21. Operation panel; 22. Signal receiver; 23. Docking slot; 24. Rotating column. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further described in detail below in conjunction with specific implementation methods.

[0020] Example 1: Please refer to Figures 1 to 3 , a projection screen structure that is easy to disassemble and assemble, comprises a mounting plate 1, the mounting plate 1 is provided with a mounting hole 2 for installation, a fixed plate 3 is installed at one end of the mounting plate 1, a movable plate 4 is installed at the other end of the mounting plate 1, an adjusting component 8 is provided on the movable plate 4, the adjusting component 8 is used to adjust the position of the movable plate 4 on the mounting plate 1, a winding roller 5 is detachably clamped and installed between the fixed plate 3 and the movable plate 4, a roller shaft 6 is provided in the middle of the winding roller 5, and the two ends of the roller shaft 6 are respectively connected with the sides of the fixed plate 3 and the movable plate 4 that are close to each other, a curtain 15 is rolled up on the winding roller 5, a counterweight bar 16 is installed at the bottom end of the curtain 15, and a drive box is installed on the outer side wall of the fixed plate 3, the drive box is connected with one end of the roller shaft 6, and the drive box is used to drive the roller shaft 6 to rotate.

[0021] See also Figures 2 to 4 The fixed plate 3 and the movable plate 4 are respectively provided with a first cylindrical groove 9 and a second cylindrical groove 10 on the side close to each other, and the two ends of the roller shaft 6 are respectively connected to the first cylindrical groove 9 and the second cylindrical groove 10. In this embodiment, the adjustment assembly 8 includes a fixed block 11 installed on the mounting plate 1, a threaded rod 13 with one end rotatably connected to the fixed block 11, and a threaded sleeve 12 installed on the movable plate 4, the threaded sleeve 12 is threadedly connected to the threaded rod 13, the other end of the threaded rod 13 is connected to a turning handle 14, and one end of the movable plate 4 is slidably connected to the mounting plate 1.

[0022] Example 2: See Figure 2 , Figure 4 On the basis of the first embodiment, a control box 19 and a driving member 187 are arranged in the driving box, the control box 19 is connected with the driving member 187 by line, a through hole 17 is arranged on the side of the first cylindrical groove 9, a rotating column 24 is connected to the output end of the driving member 187, a docking groove 23 cooperating with the rotating column 24 is arranged at one end of the roller shaft 6, one end of the rotating column 24 passes through the first cylindrical groove 9 and the through hole 17 and is inserted into the docking groove 23, the rotating column 24 and the docking groove 23 are both arranged in a rectangular shape, so that the rotating column 24 can drive the winding roller 5 to rotate without slipping.

[0023] See also Figure 2 , Figure 4An operation panel 21 and a charging plate 20 are installed on the control box 19, and both the operation panel 21 and the charging plate 20 extend outside the drive box. A signal receiver 22 is installed on the control box 19, and a power supply and a controller are arranged in the control box 19. The power supply can be charged by the charging plate 20, and the start of the drive member 187 can be manually controlled by the operation panel 21, or the operation of the control box 19 can be controlled by the remote signal transmitter and the signal receiver 22 to realize remote control of the drive member 187.

[0024] Working principle: The mounting plate 1 is installed on the ceiling or wall of the building where projection is required. When installing the winding roller 5, first insert one end of the roller shaft 6 into the first cylindrical groove 9. When inserting, the rotating column 24 is synchronously inserted into the docking groove 23 to keep the roller shaft 6 horizontal. Turn the handle 14 to drive the threaded rod 13 to rotate. The threaded rod 13 drives the movable plate 4 to move through the threaded sleeve 12. The movable plate 4 moves until the other end of the roller shaft 6 is docked into the second cylindrical groove 10. The installation of the winding roller 5 is completed. When removing the winding roller 5, perform the above steps in reverse. During projection, the driving member 187 is started manually or remotely controlled, and the driving member 187 drives the rotating column 24 to rotate. The rotating column 24 drives the roller shaft 6 to rotate to lower or roll up the curtain 15.

[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A projection screen structure that is easy to disassemble and assemble, comprising a mounting plate, characterized in that: A fixed plate is installed at one end of the mounting plate, and a movable plate is installed at the other end of the mounting plate. An adjusting component is arranged on the movable plate, and the adjusting component is used to adjust the position of the movable plate on the mounting plate. A winding roller is detachably clamped and installed between the fixed plate and the movable plate, and a roller shaft is arranged in the middle of the winding roller, and the two ends of the roller shaft are respectively butted with the sides of the fixed plate and the movable plate close to each other. A curtain is rolled up on the winding roller, and a counterweight bar is installed at the bottom end of the curtain. A driving box is installed on the outer side wall of the fixed plate, and the driving box is butted with one end of the roller shaft, and the driving box is used to drive the roller shaft to rotate.

2. The projection screen structure that is easy to assemble and disassemble according to claim 1, characterized in that: A first cylindrical groove and a second cylindrical groove are respectively provided on the sides of the fixed plate and the movable plate that are close to each other, and two ends of the roller shaft are respectively connected to the first cylindrical groove and the second cylindrical groove.

3. The projection screen structure that is easy to assemble and disassemble according to claim 1, characterized in that: The adjustment assembly includes a fixed block installed on the mounting plate, a threaded rod with one end rotatably connected to the fixed block, and a threaded sleeve installed on the movable plate, the threaded sleeve is threadedly connected to the threaded rod, the other end of the threaded rod is connected to a handle, and one end of the movable plate is slidably connected to the mounting plate.

4. The projection screen structure that is easy to assemble and disassemble according to claim 2, characterized in that: A control box and a driving member are arranged in the driving box, the control box is connected to the driving member circuit, a through hole is arranged on the side of the first cylindrical groove, a rotating column is connected to the output end of the driving member, and a docking groove cooperating with the rotating column is arranged at one end of the roller shaft.

5. The projection screen structure that is easy to assemble and disassemble according to claim 4, characterized in that: An operation panel and a charging plate are installed on the control box, and both the operation panel and the charging plate extend outside the drive box.

6. The projection screen structure that is easy to assemble and disassemble according to claim 5, characterized in that: A signal receiver is installed on the control box.

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